15 bar professional pressure assures quality results every time; Second tier drip tray to accommodate larger cups; Removable 37 ounce water tank; Self priming operation for minimum start up preparation. Stainless Steel boiler system; Please review the user manual under product details for set up and usage related guidance.; Utilize DeLonghis call center for customized setting up and maintaining machine at 1-800-32-32-32222-3808-32-38 48